Low-noise 115-GHz mixing in superconducting oxide-barrier tunnel junctions

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Abstract

Small-area (≲1 μm2) oxide-barrier tunnel junctions have been made of thermally cyclable superconducting Pb alloys for use as high-frequency mixers. A single-sideband mixer noise temperature of &lt;100 K has been achieved at 115 GHz. This result was achieved in the quasiparticle (classical) mixing mode.

Topics & Keywords

Physics of Superconductivity and Magnetism Superconducting and THz Device Technology Magnetic properties of thin films

Publication Details

Published in: Applied Physics Letters

Volume 34, Issue 5, pp. 347-349

DOI: 10.1063/1.90783

Field-Weighted Citation Impact: 10.48

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Low-noise 115-GHz mixing in superconducting oxide-barrier tunnel junctions

Authors

Abstract

Topics & Keywords

Publication Details